EP1436355B1 - Toles d'acier al/zn a revetement de surface et produit de revetement de surface - Google Patents

Toles d'acier al/zn a revetement de surface et produit de revetement de surface Download PDF

Info

Publication number
EP1436355B1
EP1436355B1 EP02781245A EP02781245A EP1436355B1 EP 1436355 B1 EP1436355 B1 EP 1436355B1 EP 02781245 A EP02781245 A EP 02781245A EP 02781245 A EP02781245 A EP 02781245A EP 1436355 B1 EP1436355 B1 EP 1436355B1
Authority
EP
European Patent Office
Prior art keywords
component
acid amide
resin
chromium
range
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP02781245A
Other languages
German (de)
English (en)
Other versions
EP1436355A2 (fr
Inventor
Takao Ogino
Akira Shono
Yasuhiro Kinoshita
Yoshihiro Hayashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2001323876A external-priority patent/JP2003129253A/ja
Application filed by Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Publication of EP1436355A2 publication Critical patent/EP1436355A2/fr
Application granted granted Critical
Publication of EP1436355B1 publication Critical patent/EP1436355B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/24—Homopolymers or copolymers of amides or imides
    • C09D133/26—Homopolymers or copolymers of acrylamide or methacrylamide
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/68—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous solutions with pH between 6 and 8
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
    • B05D7/16—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies using synthetic lacquers or varnishes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/24—Homopolymers or copolymers of amides or imides
    • C08L33/26—Homopolymers or copolymers of acrylamide or methacrylamide
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2222/00—Aspects relating to chemical surface treatment of metallic material by reaction of the surface with a reactive medium
    • C23C2222/20—Use of solutions containing silanes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • Y10T428/31605—Next to free metal

Definitions

  • the invention relates in its most general aspect to surface-treated steel sheets, the predominantly unpainted for applications in the construction and household appliances sector be used, which on which with a coating of aluminum-containing Zinc alloy ("Al / Zn alloy”) surface with a coating excellent alkali and corrosion resistance is formed.
  • Al / Zn alloy aluminum-containing Zinc alloy
  • the invention relates to a chromium-free surface treatment agent, the Al / Zn steel sheet, i. Steel sheets with a coating off Al / Zn alloy, mostly unpainted for use in construction and household appliances used, alkali resistance, cold rolling and corrosion resistance umfeiht, and Al / Zn steel sheets whose surfaces with this Surface treatment agents are treated.
  • Al / Zn steel sheets in particular those with Al contents of 55% in the Al / Zn alloy coating, because of their excellent corrosion resistance for Building construction purposes (for example building roofs and external walls, supports for plastic greenhouses in agriculture), civil engineering structures (e.g. Noise barriers, sewage trenches), household appliances, industrial equipment and the like used without paint. Therefore, they are required to be durable show a pleasing appearance without their surface becoming discolored. As she Moreover, in applications as a building material, they must be formed by rolling cold-rollable, i. there must be no formation of coatings on the rollers. Also important is their appearance after cold rolling: the coatings or coatings must be scratch-free and have excellent corrosion resistance exhibit. If the sheets are used for construction applications, Due to contact with concrete, they are often highly alkaline and corrosive Exposed environment. Even in these cases, they must be a permanently beautiful Appearance without their surfaces discolor.
  • JP-B2 4-2672 proposes a technology in JP-B2 4-2672 proposed, which provides, by applying a solution containing a defined water-soluble or dispersible resin with an addition of hexavalent chromium and whose pH is adjusted to 3 to 10, on the surface of an Al / Zn steel sheet to form a coating.
  • Al / Zn steel sheets are used for construction applications It is not uncommon for them to be highly alkaline, corrosive due to contact with concrete Exposed environment. Even in these cases, they must have a permanently beautiful appearance without discoloring their surfaces. i.e. one of them becomes one high alkali resistance required. In the alkaline range stable water-soluble or dispersible resins generally tend to form salts with alkalis, and thus to enhance the hydrophilic behavior of the coating. Therefore leads also known from JP-B2 4-2672 technology to only insufficient alkali-resistant Surfaces. For this reason, with the technology after the The prior art has not yet obtained Al / Zn steel sheets with a coating which are both the requirement for excellent alkali resistance as well meets the demand for high corrosion resistance.
  • the sheets with chromium-containing resin coatings which are known from JP 2097278 surface treatment method.
  • This is intended to improve cold rollability and corrosion resistance on the surface of Al / Zn steel sheets a solution to apply in addition to certain water-based or dispersible Resins containing hexavalent chromium in specific amounts and their pH is set to 3 to 10.
  • the correspondingly treated Al / Zn steel sheets show excellent corrosion resistance especially in processed areas, However, these sheets are problematic in terms of environmental protection, there from the coating, especially in areas resulting from processing Scratches, chrome escapes. So far, there are no chromium-free surface-treated Al / Zn steel sheets available that meet the requirements for superior Cold rolling and alkali and corrosion resistance meet.
  • the invention provides a surface-treated steel sheet characterized in that a coating is formed on the surface of a steel sheet having a coating of aluminum-containing zinc alloy ("Al / Zn alloy"), the resin containing acid amide bonds as a main component contains.
  • Al / Zn alloy aluminum-containing zinc alloy
  • the resin containing acid amide bonds as a main component contains.
  • the acid amide bond-containing resin acid amide bond-containing urethane resin is preferably used.
  • the coating consisting essentially of acid amide bonds may contain a chromium compound as another component.
  • the weight ratio resin / Cr of dry weight of the acid amide bond-containing resin to the weight of the chromium compound (calculated as metallic chromium) is preferably in a range of 1 to 200.
  • the chromium content in the coating, calculated as metallic chromium preferably in a range from 1 to 100 mg / m 2 .
  • Al / Zn steel sheet is coated with Al / Zn alloy (Al content in the alloy coating: 25 to 75 wt%) provided steel sheets, as their most typical representatives those with a coating of zinc alloys are known with an Al content of 55% (usually steel sheets with a coating of zinc alloys with Al contents of 50 to 60% by weight as 55% Al / Zn steel sheets (e.g., Galvalume®). This terminology also follows the present invention.)
  • the alloy coating of these Al / Zn steel sheets has in the general Si contents in orders of magnitude from 0.5 wt .-% of Al contents.
  • the Si content in the alloy coating of 55% Al / Zn steel sheets is usually at about 1 to 3 wt.%.
  • the property-improving effect of the invention Effect becomes significant in Al / Zn steel sheets having Al contents of 25 up to 75% by weight in the alloy coating, but especially in the case of the above-mentioned Al contents observed by 55%.
  • the steel sheet according to the invention has one on the surface of Al / Zn steel sheet formed, consisting essentially of acid amide bonds containing Resin coating on.
  • Acid amide bonds form in the presence of strong acid -CONH- unstable salts, while in the presence of strong alkalis the Structure -C (OH) N- and thus have an alkaline neutralizing effect. Therefore are Resins with acid amide bonds to both acids and alkalis resistant and show excellent alkali and corrosion resistance.
  • the acid amide bonds can be found in these resins both in the main chain and also be introduced in the side chains.
  • urethane resins with introduced acid amide bonds acrylic resins with introduced acid amide bonds, Ester resins with introduced acid amide bonds and polyamide resins called. Due to their resistance to hydrolysis and wear, urethane resins are used introduced acid amide bonds preferred. In the case of urethane resins with imported Acid amide bonds is the urethane ratio given in the resin Acid amide bonds preferably at 9/1 to 1/9.
  • the coating weight of the resinous coatings formed from the acid amide bonds on the surface of the Al / Zn steel sheets is not particularly limited. However, it is preferably 0.5 to 5 g / m 2 .
  • Steel sheet coatings of Al / Zn alloys with Al contents of 25 to 75 wt .-% have the disadvantage that they are hard and brittle.
  • by coating with the aforementioned resins peeling of the alloy coatings can be prevented.
  • a coating weight of the resins lower than 0.5 g / cm 2 this peelproof effect remains weak, as well as the positive effects with respect to cold-rollability, corrosion resistance, etc., remain low.
  • coating weights of more than 5 g / m 2 are uneconomical since saturation of the positive effects with regard to delamination protection, cuttability, corrosion resistance, etc. occurs here.
  • the coatings formed from the acid amide bonds containing resins may contain chromium compounds as an additional component. Of these is to expect a further improvement of the corrosion resistance, if this for the intended application is required.
  • the chrome compounds are none Subject to special restrictions However, compounds are preferred used, which contain hexavalent chromium. As examples of such chromium compounds are chromic anhydride, ammonium chromate, potassium dichromate, Sodium dichromate, ammonium chromate, potassium chromate and sodium chromate.
  • the weight ratio resin / Cr of dry weight of the acid amide bonds containing resin to the weight of the chromium compound is preferably in a range of 1 to 200, preferably at 1 to 150, and more preferably in a range of 10 to 150.
  • a weight ratio of resin / Cr below 1 is a saturation of the chroma-related Given corrosion protection effect, which is why such weight ratios uneconomical are.
  • At a weight ratio resin / Cr above 200 remains the with the addition of the chromium compounds caused effect too weak.
  • the chromium content in the coating is preferably in a range from 1 to 100 mg / m 2 , but more preferably in a range from 3 to 90 mg / m 2 and particularly preferably in a range of 5 to 80 mg / m 2 .
  • the effect caused by the addition of the chromium compounds remains too weak, while chromium contents above 100 mg / m 2 due to the then given saturation of the corrosion protection effect of chromium are uneconomical.
  • the method for forming the coatings of the invention on the Al / Zn steel sheets is not particularly limited.
  • the coatings can be applied by any method, such as roller coater.
  • the sheets are preferably dried at a temperature (of the sheets) of 60 to 200 ° C and a drying time within 60 s, for example, in electric ovens, hot air ovens or induction ovens.
  • chromium-free surface treatment agents in which as Component A urethane or acrylic resin, as component B, a Zr compound and as component C one or more silicon compounds selected from the Group containing silicic acid, silica salts, colloidal silica and silane coupling reagents includes used.
  • chromium-free surface treatment agents are preferred in which as component C. Silane coupling reagents can be used.
  • the mass ratio (resin / Zr) of Component A, carboxyl groups and acid amide bonds containing water Resin (solid), to Zr in the Zr compounds of component B preferably in a range of 1 to 300.
  • the weight ratio (resin / Si) of component A to Si in the silane coupling reagent is preferably in a range of 10 to 800.
  • the water-based resins of component A consist essentially of carboxyl groups and acid amide bonds containing resins and form on the Metal surface a coating.
  • the carboxyl groups promote hydrophilic Groups not only the emulsion stability, but their presence also improves the adhesion on the metal substrate. In addition, their crosslinking reaction allows with the in-center metal and silicon compounds forming a Coating with excellent corrosion and alkali resistance.
  • the carboxylic acid equivalent in the water-based resins for use in the invention preferably at 0.15 to 3.5 mg equivalent / g.
  • the acid amide bonds contained in the resins -CONH- take the structure in the presence of strong alkalis - C (OH) N- and act as acid.
  • the acid amide equivalent in the water-based resins for use in the invention is preferably included 0.05 to 3.5 mg equivalent / g.
  • Examples of resins with carboxyl groups and acid amide bonds are u.a. Acrylic, ester and urethane resins into which carboxyl groups and acid amide bonds are introduced. These resins are called water-based Resins, i. they are used in aqueous systems, i. dissolved in water or emulsified form used. In terms of hydrolysis and wear resistance
  • the coating preferably urethane resins are used.
  • the Process for the synthesis of the resins is not subject to any particular restrictions however, they are preferably synthesized by industrially used methods.
  • Component B is preferably one or more metal compounds selected from the group of Al, Mg, Ca, Zn, Ni, Co, Fe, Zr, Ti, V, W, Mn and Ce compounds, used.
  • metal compounds phosphates, Acetates, nitrates, sulphates, carbonates, ammonium carbonates, chlorides, fluorides, ammonium fluorides, Fluoride complexes, acetylacetonates and the like can be used.
  • the mass ratio (resin / Zr) of component A, carboxyl groups and acid amide bonds containing water-based resin (solid), to Zr in the Zr compounds of component B preferably in a range of 1 to 300, more preferably in a range of 1 to 200, and more preferably in a range of 10 to 150.
  • Mass ratios (resin / Zr) of the carboxyl groups and acid amide bonds containing water based resin (solid) to Zr in The Zr compounds below 1 are uneconomical, since a saturation of the through the Zr compounds caused anticorrosive effect occurs: Corresponding mass ratios over 300, however, are unfavorable due to the then weak anti-corrosive effect of Zr compounds. This applies analogously to the cases in which the other metal compounds are used.
  • the silicon compounds to be added to the component A water-based resins are not subject to any special restrictions.
  • silane coupling reagents such as vinyltrimethoxysilane and gamma-glycidoxypropyltriethoxysilane used.
  • silane coupling reagents When using silane coupling reagents as the silicon compound of Component C is the mass ratio (resin / Si) of carboxyl groups and acid amide bonds containing resins of component A to Si in the silane coupling agent preferably in a range of 10 to 800, but more preferably in a range of 50 to 600, and more preferably in a range of 100 to 400. Mass ratios (resin / Si) of carboxyl groups and acid amide bonds containing resins of component A to Si in the silane coupling reagent below 10 are uneconomical because of saturation by the silane coupling reagents caused anticorrosive effect occurs.
  • Surface treatment agents for metal sheets according to the invention can be used as Lubricant and the like Molybdenum disulfide, graphite, fluorine resins, polyolefin waxes added become.
  • the coating can be colored by the use of color pigments become. As long as the performance of the coating can not be compromised the surface treatment agents also include foam inhibitors and leveling agents (Flow control agent) are added.
  • the methods for the treatment of the surfaces of Al / Zn steel sheets with inventive Surface treatment agents for metal sheets are not special Subject to restrictions, they can be used in any method, for example using roll coaters. After the order will be the sheets preferably at a temperature (of the sheets) of 60 to 200 ° C. and a drying time within 60 s, for example in electric ovens, hot air ovens or induction ovens dried.
  • the weight of the layers (coating weight) formed after drying with the surface treatment agents of the present invention on Al / Zn steel sheet surfaces is not particularly limited, but is preferably in a range of 0.5 to 5 g / m 2 .
  • Steel sheet coatings of Al / Zn alloys with Al contents of 25 to 75 wt.% Have the disadvantage that they are hard and brittle. However, by coating with the aforementioned resins, peeling of the alloy coatings can be prevented. At a coating weight of the resins below 0.5 g / cm 2 , this separation protection effect remains weak, layer weights of more than 5 g / m 2 , however, are uneconomical, since saturation of the separation protection effect occurs here.
  • component A preferably urethane or acrylic resin
  • component B preferably a Zr compound and as component C preferably one or more silicon compounds selected from the group consisting of silicic acid, Silica sols, colloidal silica and silane coupling reagents, used.
  • silane coupling agent as a component C is preferred.
  • the component B is preferably in a range from 1 to 300
  • the mass ratio (resin / Si) of component A to Si in the silane coupling reagent is preferably in a range of 10 to 800.
  • the surface treatment agents C1 ⁇ C8 and D1 ⁇ D2 were coated on the surfaces of the GL and GF test sheets with a bar coater so that the coating weights shown in Tables A4 (Working Examples 1 to 12) and A5 (Comparative Examples 1 to 4) and Cr order quantities have been achieved. It was then dried at 240 ° C ambient temperature. The coating weights (g / m 2 ) were adjusted via the appropriate choice of solids concentration in the surface treatment agents. Subsequently, the corrosion resistance (flat area) and alkali resistance (flat area) of the surface-treated steel sheets were evaluated according to the coating performance evaluation method described below. The results are summarized in Tables A4 and A5. embodiments No.
  • the surface-treated Steel sheets both a good corrosion resistance and a good alkali resistance.
  • the surface-treated steel sheets of Comparative Examples which do not meet the features of the invention, either one inadequate corrosion resistance or poor alkali resistance.
  • Al / Zn steel sheets according to the invention with a surface formed on their surfaces show coating consisting of certain resins (described above) both excellent corrosion resistance and excellent Alkali resistance.
  • the steel sheets according to the invention are also good cold rolling (i.e., no build up of coatings on the rolls) and have an excellent Appearance after cold rolling up. They are therefore high in the industry Utility.
  • test results are compiled in Tables B5 and B6.
  • the invention surface treated steel sheets of the embodiments Nos. 1 to 12 show both good corrosion resistance and good alkali resistance.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Laminated Bodies (AREA)
  • Coating With Molten Metal (AREA)

Claims (14)

  1. Tôle d'acier à surface traitée, caractérisée en ce que, à la surface d'une tôle d'acier, on dépose un revêtement constitué d'un alliage Al/Zn qui contient, comme constituant principal, une résine uréthane dans laquelle sont inclus des groupes amides d'acide, avec un rapport des liaisons uréthane aux liaisons amides d'acide compris dans la gamme de 9:1 à 1:9.
  2. Tôle d'acier à surface traitée selon la revendication 1, dans laquelle le revêtement comprend, en tant que composant supplémentaire, un composé du chrome.
  3. Tôle d'acier à surface traitée selon la revendication 2, dans laquelle le rapport pondéral résine/Cr, c'est-à-dire le rapport du poids sec de la résine contenant des liaisons amides d'acide au poids du composé du chrome (calculé en tant que chrome métal) est compris dans la gamme de 1 à 200.
  4. Tôle d'acier à surface traitée selon la revendication 2 ou 3, dans laquelle la teneur en chrome du revêtement, calculé en tant que chrome métal, est comprise dans la gamme de 1 à 100 mg/m2.
  5. Tôle d'acier à surface traitée portant un revêtement constitué d'un alliage Al/Zn selon la revendication 1, présentant une excellente résistance aux alcalis, une aptitude au laminage à froid et une résistance à la corrosion remarquables, caractérisée en ce que le revêtement de surface est exempt de chrome et qu'au moins une face de la tôle comporte une épaisseur de couche de 0,2 à 5,0 g/m2 d'un revêtement qui contient les composants A, B et C suivants :
    A) une résine uréthane dans laquelle sont inclus des groupes amides d'acide, avec un rapport des liaisons uréthane aux liaisons amides d'acide compris dans la gamme de 9:1 à 1:9,
    B) un ou plusieurs composés métalliques, sélectionnés dans le groupe constitué par les composés de Al, Mg, Ca, Zn, Ni, Co, Fe, Zr, Ti, V, W, Mn et Ce,
    C) un composé du silicium.
  6. Tôle d'acier Al/Zn à revêtement de surface exempt de chrome selon la revendication 5, dans laquelle on utilise, en tant que composant A, une résine uréthane dans laquelle sont inclus des groupes amides d'acide, avec un rapport des liaisons uréthane aux liaisons amides d'acide compris dans la gamme de 9:1 à 1:9, en tant que composant B, un composé du Zr et en tant que composant C, un ou plusieurs composés du silicium, choisis dans le groupe constitué par l'acide silicique, les sels d'acide silicique, le dioxyde de silicium colloïdal et les réactifs de couplage silane.
  7. Tôle d'acier Al/Zn à revêtement de surface exempt de chrome selon la revendication 5 ou 6, dans laquelle on utilise, en tant que composant C, un réactif de couplage silane.
  8. Tôle d'acier Al/Zn à revêtement de surface exempt de chrome selon la revendication 5, 6 ou 7, dans laquelle le composant B est choisi parmi les composés du Zr et le rapport pondéral résine/Zr, c'est-à-dire le rapport de la substance solide du composant A au Zr dans les composés du Zr du composant B est compris dans la gamme de 1 à 300.
  9. Tôle d'acier Al/Zn à revêtement de surface exempt de chrome selon la revendication 7 ou 8, dans laquelle le rapport pondéral résine/Si, c'est-à-dire le rapport de la substance solide du composant A au Si dans le réactif de couplage silane est compris dans la gamme de 10 à 800.
  10. Agent de revêtement de surface exempt de chrome pour tôle métallique, caractérisé en qu'il contient les composants A, B et C suivants :
    A) une résine uréthane dans laquelle sont inclus des groupes amides d'acide, avec un rapport des liaisons uréthane aux liaisons amides d'acide compris dans la gamme de 9:1 à 1:9,
    B) un ou plusieurs composés métalliques, sélectionnés dans le groupe constitué par les composés de Al, Mg, Ca, Zn, Ni, Co, Fe, Zr, Ti, V, W, Mn et Ce,
    C) un composé du silicium.
  11. Agent de revêtement de surface exempt de chrome pour tôle métallique selon la revendication 10, dans laquelle on utilise, en tant que composant A, une résine uréthane dans laquelle sont inclus des groupes amides d'acide, avec un rapport des liaisons uréthane aux liaisons amides d'acide compris dans la gamme de 9:1 à 1:9, en tant que composant B, un composé du Zr et en tant que composant C, un ou plusieurs composés du silicium, choisis dans le groupe constitué par l'acide silicique, les sels d'acide silicique, le dioxyde de silicium colloïdal et les réactifs de couplage silane.
  12. Agent de revêtement de surface exempt de chrome pour tôle métallique selon la revendication 10 ou 11, dans laquelle on utilise, en tant que composant C, un réactif de couplage silane.
  13. Agent de revêtement de surface exempt de chrome pour tôle métallique selon la revendication 10, 11 ou 12, dans laquelle le composant B est choisi parmi les composés du Zr et le rapport pondéral résine/Zr, c'est-à-dire le rapport de la substance solide du composant A au Zr dans les composés du Zr du composant B est compris dans la gamme de 1 à 300.
  14. Agent de revêtement de surface exempt de chrome pour tôle métallique selon la revendication 12 ou 13, dans laquelle le rapport pondéral résine/Si, c'est-à-dire le rapport de la substance solide du composant A au Si dans le réactif de couplage silane est compris dans la gamme de 10 à 800.
EP02781245A 2001-10-22 2002-10-12 Toles d'acier al/zn a revetement de surface et produit de revetement de surface Expired - Lifetime EP1436355B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2001323876 2001-10-22
JP2001323876A JP2003129253A (ja) 2001-10-22 2001-10-22 耐アルカリ性に優れた表面処理鋼板
JP2001338312 2001-11-02
JP2001338312 2001-11-02
PCT/EP2002/011448 WO2003035280A2 (fr) 2001-10-22 2002-10-12 Toles d'acier al/zn a revetement de surface et produit de revetement de surface

Publications (2)

Publication Number Publication Date
EP1436355A2 EP1436355A2 (fr) 2004-07-14
EP1436355B1 true EP1436355B1 (fr) 2005-12-14

Family

ID=26624022

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02781245A Expired - Lifetime EP1436355B1 (fr) 2001-10-22 2002-10-12 Toles d'acier al/zn a revetement de surface et produit de revetement de surface

Country Status (8)

Country Link
US (1) US20050037208A1 (fr)
EP (1) EP1436355B1 (fr)
AT (1) ATE312884T1 (fr)
AU (1) AU2002349350B2 (fr)
CA (1) CA2464581A1 (fr)
DE (1) DE50205303D1 (fr)
MX (1) MXPA04003694A (fr)
WO (1) WO2003035280A2 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2387805T3 (es) * 2003-02-25 2012-10-02 Chemetall Gmbh Procedimiento para revestir superficies metálicas con una composición rica en polímeros
US8101014B2 (en) 2004-11-10 2012-01-24 Chemetall Gmbh Process for coating metallic surfaces with a multicomponent aqueous composition
US20060099332A1 (en) 2004-11-10 2006-05-11 Mats Eriksson Process for producing a repair coating on a coated metallic surface
DE102005015575B4 (de) * 2005-04-04 2014-01-23 Chemetall Gmbh Verfahren zur Beschichtung von metallischen Oberflächen mit einer Silan, Silanol, Siloxan oder/und Polysiloxan enthaltenden Zusammensetzung, diese Zusammensetzung und Verwendung der nach dem Verfahren beschichteten Substrate
DE102005005858A1 (de) 2005-02-08 2006-08-17 Henkel Kgaa Verfahren zur Beschichtung von Metallblech, insbesondere Zinkblech
US20080138615A1 (en) 2005-04-04 2008-06-12 Thomas Kolberg Method for Coating Metallic Surfaces with an Aqueous Composition and Said Composition
KR100685028B1 (ko) * 2005-06-20 2007-02-20 주식회사 포스코 크롬 프리 저온 경화형 금속 표면처리조성물 및 이를이용한 표면처리강판
EP1977026A1 (fr) * 2005-12-27 2008-10-08 Posco FEUILLE D'ACIER EXEMPTE DE Cr TRAITÉE EN SURFACE UTILISÉE DANS UN RÉSERVOIR DE CARBURANT, PROCÉDÉ DE PRÉPARATION DE CETTE FEUILLE D'ACIER ET COMPOSITION DE TRAITEMENT POUR CELLE-CI
CN101338091B (zh) * 2008-08-15 2010-06-09 上海达克罗涂复工业有限公司 无铬金属防腐涂料、制备方法及使用方法
MX365687B (es) * 2012-02-14 2019-06-11 Nippon Steel Corp Star Lamina de acero chapada para prensado en caliente y metodo de prensado en caliente de lamina de acero revestida.
CN103060788B (zh) * 2013-01-31 2015-10-28 宝山钢铁股份有限公司 一种燃油箱用单面电镀锌无铬表面处理钢板及表面处理剂
KR101792240B1 (ko) * 2015-09-18 2017-10-31 주식회사 포스코 편면도금 강판의 표면처리용 조성물, 이를 이용하여 표면처리된 강판, 및 이를 이용한 표면처리 방법

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2811020B2 (ja) * 1990-04-17 1998-10-15 日本特殊陶業株式会社 セラミックスと鋼の接合体及びその製造方法
US5663215A (en) * 1991-12-20 1997-09-02 Courtaulds Coatings (Holdings) Limited Coating compositions
TW272206B (fr) * 1993-12-24 1996-03-11 Nippon Paint Co Ltd
US5908892A (en) * 1997-09-16 1999-06-01 Betzdearborn Inc. N, N-alkyl polyacrylamide metal treatment
WO2001031083A1 (fr) * 1999-10-22 2001-05-03 Kawasaki Steel Corporation Composition pour traitement de surface de metal et materiau metallique a surface traitee

Also Published As

Publication number Publication date
WO2003035280A3 (fr) 2003-11-06
AU2002349350B2 (en) 2007-07-26
US20050037208A1 (en) 2005-02-17
CA2464581A1 (fr) 2003-05-01
ATE312884T1 (de) 2005-12-15
WO2003035280A2 (fr) 2003-05-01
DE50205303D1 (de) 2006-01-19
EP1436355A2 (fr) 2004-07-14
MXPA04003694A (es) 2004-07-30

Similar Documents

Publication Publication Date Title
EP2255025B2 (fr) Procédé d enduction de surfaces métalliques avec un agent de passivation
DE60114680T2 (de) Oberflächenbehandlungsmittel ohne Chromat, Verfahren zur Oberflächenbehandlung und behandeltes Stahl
TWI445842B (zh) Surface treatment composition
DE3151181C2 (fr)
DE2903311C2 (de) Verfahren zur Herstellung von stabilen, wäßrigen Zusammensetzungen zur Beschichtung von Metalloberflächen, nach dem Verfahren hergestellte Zusammensetzungen und ihre Verwendung
DE60114311T2 (de) Chromfreie Lackzusammensetzungen und lackierte Metallbleche
EP1436355B1 (fr) Toles d'acier al/zn a revetement de surface et produit de revetement de surface
KR20130051997A (ko) 아연계 도금 강판용의 표면 처리액 그리고 아연계 도금 강판 및 그의 제조 방법
KR20090077947A (ko) 환경 대응형 프리코팅 금속 재료용 수계 표면 처리제, 그리고 표면 처리 금속 재료 및 환경 대응형 프리코팅 금속 재료
DE3782326T2 (de) Zusammensetzung zur behandlung einer metallflaeche und behandlungsverfahren.
JP2005120469A (ja) 金属材料表面処理用組成物および表面処理方法
DE69921787T2 (de) Korrosionsschutzbeschichtung und verfahren zum korrosionsschutz
WO2011067094A1 (fr) Procédé de prétraitement à étapes multiples pour des composants métalliques présentant des surfaces en zinc et en fer
EP1633905B1 (fr) Revetement de surfaces metalliques par des solutions de phosphatation contenant du peroxide d'hydrogene et du nitro-guanidin
DE69423647T2 (de) Zusammensetzung und verfahren zur behandlung von magnesiumenthaltenden metallen und daraus hergestelltes produkt
EP1570109B1 (fr) Procede pour revetir des substrats metalliques avec un agent de revetement polymerisable par polymerisation radicalaire, et substrats ainsi revetus
KR20020008380A (ko) 아연계 도금강판용 방청 처리제 및 아연계 도금강판
DE69301851T2 (de) Phosphatierungsbehandlung für metallische Substrate
JP4024129B2 (ja) アルミニウム・亜鉛系合金メッキ鋼板用表面処理剤及び該処理剤で表面処理したアルミニウム・亜鉛系合金メッキ鋼板
DE19915058A1 (de) Zusammensetzung und Verfahren zur korrosionsverhütenden Behandlung eines Nichteisenmetalls
DE3780859T2 (de) Oberflaechenbehandelter stahlwerkstoff, insbesondere galvanisiertes stahlblech.
KR100921581B1 (ko) 금속 판재용 표면 처리제 및 이 처리제로써 표면처리한알루미늄-아연계 합금 도금강판
DE69411902T2 (de) Zusammensetzung und verfahren zum substituierten plattieren von zink- oder zink-legierungs-oberflächen
WO2023227522A1 (fr) Procédé de nettoyage alcalin d'acier en bande allié au zinc-magnésium
KR100428562B1 (ko) 아연도금 강판용 표면처리 조성물 및 이를 이용하여처리된 아연도금강판

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20040408

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

AX Request for extension of the european patent

Extension state: SI

RIN1 Information on inventor provided before grant (corrected)

Inventor name: OGINO, TAKAO

Inventor name: SHONO, AKIRA

Inventor name: KINOSHITA, YASUHIRO

Inventor name: HAYASHI, YOSHIHIRO

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20051214

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20051214

Ref country code: GB

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20051214

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20051214

Ref country code: IE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20051214

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20051214

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20051214

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REF Corresponds to:

Ref document number: 50205303

Country of ref document: DE

Date of ref document: 20060119

Kind code of ref document: P

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060314

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060314

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060314

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060314

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060325

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060515

NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
GBV Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed]

Effective date: 20051214

REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20061031

Ref country code: MC

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20061031

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20061031

26N No opposition filed

Effective date: 20060915

EN Fr: translation not filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070501

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

BERE Be: lapsed

Owner name: HENKEL K.G.A.A.

Effective date: 20061031

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20061012

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070202

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20051214

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20061012

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20051214

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20051214

Ref country code: FR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20051214

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20061031